try searching for drive flanges instead, you may find what you're after a stub axle to me is the splined part bolted onto the cv joint but people seem to interchange both names with both parts.

here's someone reasonably local that will have some for sure:

https://www.facebook.com/ascardismantlers/

found these on ebay too:

https://www.ebay.co.uk/itm/huFord-Si...2BU:rk:33:pf:0